The Greatest Bits: B-Sides & Rarities is the second compilation album released by British pop rock band McFly. The album was released on 3 December 2007, and was only available at Woolworths stores across the UK. The album features a range of B-Sides and covers from the group's singles, as well as a new recording of "Santa Claus Is Coming To Town". The record has become quite sought after since the collapse of Woolworths in 2008. Also, their cover of "Pinball Wizard" is a new live version (previously released only as a studio version and a music video).

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